EUVD-2026-36582

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus...

CVE-2026-44786

CVE-2026-44786 affects Discourse: versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1 allow chat events from public category channels to be published to MessageBus without proper permission scoping, enabling any MessageBus subscr...

OPENSUSE-SU-2026:20963-1 Security update for neonmodem

This update for neonmodem fixes the following issues: Changes in neonmodem: - Update golang.org/x/net dependency to v0.55.0 due to bsc1267193 - Update golang.org/x/image dependency to v0.38.0 due to bsc1260727 - Update golang.org/x/term dependency to v0.42.0 due to bsc1260727 - Update to version...

PT-2026-48978

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description The ReviewableQueuedPostSerializer unconditionally includes the raw email payload for posts received via incoming email. This allo...

CVE-2026-45775: Improper Limitation of a Pathname to a Restricted Directory

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, a path traversal vulnerability in Discourse backup handling could allow an authenticated administrator on one site in a...

CVE-2026-44786: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus...

CVE-2026-47263: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the MessageBus.publish call for /webhookevents/ in Jobs::RedeliverWebHookEvents did not pass groupids, leaving the channel...

CVE-2026-44780: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, ReviewableQueuedPostSerializer unconditionally included payload"rawemail" for posts that arrived via incoming email...

CVE-2026-44783: Improper Access Control

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, a flaw in how replies to whisper posts are handled allows authenticated users outside the groups configured in...

CVE-2026-44782: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, GroupPostSerializer declared includeuserlongname? as the predicate for its :name attribute, but AMS looks for includename?...

PT-2026-48986

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0-latest through 2026.1.3 Discourse versions 2026.3.0-latest through 2026.3.0 Discourse versions 2026.4.0-latest through 2026.4.0 Description A path traversal issue exists in the backup handling of this open-source...

PT-2026-48977

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0-latest through 2026.1.3 Discourse versions 2026.3.0-latest through 2026.3.0 Discourse versions 2026.4.0-latest through 2026.4.0 Description Bot debug endpoints disclose whisper translation audit logs. Recommendation...

PT-2026-48982

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description The AI explain helper fails to verify the can see? permission on the reply to post of a post being explained. This allows an...

PT-2026-48983

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description Chat events for public category channels are published to the MessageBus without permission scoping. This allows any MessageBus...

PT-2026-48979

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description An issue exists in the GroupPostSerializer where the predicate for the :name attribute was incorrectly declared as include user lo...

CVE-2026-44779: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, bot debug endpoints disclose whisper translation audit logs. This issue has been patched in versions 2026.1.4, 2026.3.1,...

CVE-2026-44785: Exposure of Sensitive Information to an Unauthorized Actor

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, the AI "explain" helper only checks cansee? on the post being explained, not its replytopost, so any authenticated user wi...

PT-2026-48988

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description When the SiteSetting.tags listed by group setting is enabled, the DetailedTagSerializertag group names function returns all tag...

PT-2026-48987

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 through 2026.3.0 Discourse versions 2026.4.0 through 2026.4.0 Description An issue exists in the Jobs::RedeliverWebHookEvents function where the MessageBus.publish call f...

PT-2026-48980

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0-latest through 2026.1.3 Discourse versions 2026.3.0-latest through 2026.3.0 Discourse versions 2026.4.0-latest through 2026.4.0 Description A flaw in the handling of replies to whisper posts allows authenticated use...